import type { ComputedRef, Slots } from "vue";
import type { BasicTableProps, InnerHandlers } from "../types/table";
import { unref, computed, h } from "vue";
import TableHeader from "../components/TableHeader.vue";
import { isString } from "$/utils/is";
import { getSlot } from "$/utils/helper/tsxHelper";

export function useTableHeader(
  propsRef: ComputedRef<BasicTableProps>,
  slots: Slots,
  handlers: InnerHandlers
) {
  const getHeaderProps = computed((): Recordable => {
    const { title, showTableSetting, titleHelpMessage, tableSetting } =
      unref(propsRef);
    const hideTitle =
      !slots.tableTitle && !title && !slots.toolbar && !showTableSetting;
    if (hideTitle && !isString(title)) {
      return {};
    }

    return {
      title: hideTitle
        ? null
        : () =>
            h(
              TableHeader,
              {
                title,
                titleHelpMessage,
                showTableSetting,
                tableSetting,
                onColumnsChange: handlers.onColumnsChange,
              } as Recordable,
              {
                ...(slots.toolbar
                  ? {
                      toolbar: () => getSlot(slots, "toolbar"),
                    }
                  : {}),
                ...(slots.tableTitle
                  ? {
                      tableTitle: () => getSlot(slots, "tableTitle"),
                    }
                  : {}),
                ...(slots.headerTop
                  ? {
                      headerTop: () => getSlot(slots, "headerTop"),
                    }
                  : {}),
                ...(slots.tableTop
                  ? {
                      tableTop: () => getSlot(slots, "tableTop"),
                    }
                  : {}),
              }
            ),
    };
  });
  return { getHeaderProps };
}
